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19. Most common grinding wheels have a grit that's composed of

A. tungsten carbide.
B. silicon carbide.
C. aluminum oxide.
D. boron nitride.



Answer :

GinnyAnswer

Final answer:

Aluminum oxide is the common abrasive material found in grinding wheels due to its hardness and strength.


Explanation:

Most common grinding wheels have a grit that's composed of aluminum oxide. Aluminum oxide is a widely used abrasive material due to its hardness and strength, making it suitable for various applications such as grinding wheels.


Learn more about Aluminum oxide in grinding wheels here:

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